Question 131 pts A polygenic trait is due to a single gene. Flag this Question Q

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Question 131 pts

A polygenic trait is due to a single gene.

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Question 142 pts

IAIA and IAi are genotypes that produce the same phenotype.

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Question 152 pts

Colorblindness and hemophilia are sex-linked traits in humans.

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Question 161 pts

Transcription involves converting mRNA into proteins.

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Question 171 pts

Another name for a reproductive cell is somatic cell.

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Question 181 pts

Asexually reproducing organisms pass on all of their genetic information to their offspring.

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Question 191 pts

Cells that are diploid (2N) have a full set of genetic information.

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Question 201 pts

Both Mitosis and Meiosis produce haploid cells in animals.

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Question 211 pts

Gametes carry two alleles for each gene.

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Question 221 pts

Cells divide rather than grow indefinitely so that DNA is able to meet all the needs of the cell.

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Question 231 pts

The first phase of the Cell Cycle is the G2 phase.

Explanation / Answer

1. false

because polygenic trait is determined by multiple genes. As the name indicates polygenic means poly genes.

2. true.

Both genotypes have dominant allele A that is why the expression of allele A appears.

i is recessive on A.

152. true.

colour blindness and haemophilia both are sex linked recessive traits. These traits appears only when both alleles appears in recessive form.

161: false

transcription is the process for the formation of RNA from DNA. the sequence of DNA is recognized by RNA polymerase and complementary sequence of ribonucleotides are formed which is known as RNA.

171. false:

the reproductive cells are known as germ cells. normal cells of body is known as somatic cells.

181.

True: Asexually reproducing organisms are able to transfer their characters into offsprings. but a sexual reproduction occurs by the involvement of only single parent. so single parent transfer all the characters to offspring in asexual reproduction.

191.

true

diploid cells have two copies of every gene and have complete genetic information in the genetic sets.

201: false

meiosis is a reduction division in which haploid cells are produced from deployed parental cell. in the process of Mitosis diploid cells are produced from diploid parental cell.

meiosis occurs in germ cells and gametes.

mitosis occurs in somatic cells.

211. false. Gametes are haploid cells produced by reductional division of chromosomes known as meiosis.

221.

True: cell divide and fulfill all the requirement by doing metabolic activities.

231.

false.

the first phase of cell cycle is G0 phase.

G0 phase then G1 phase then synthetic or S phase then G2 phase then M phase.

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